Catalina (Hungarian: Szentkatolna, Hungarian pronunciation: [ˈsɛntkɒtolnɒ]) is a commune in Covasna County, Romania, composed of five villages:Catalina / SzentkatolnaHătuica / HatolykaImeni / ImecsfalvaMărcușa / KézdimárkosfalvaMărtineni / KézdimártonfalvaIt formed part of the Székely Land region of the historical Transylvania province. Until the Treaty of Trianon, it belonged to the Háromszék County of the Kingdom of Hungary.